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Alcatel Claims Thinnest Smartphone Title

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Replying to:  I wonder by Jellz   Jan 7, 2013, 8:12 AM

HAC?

by Rich Brome (Moderator)    Jan 7, 2013, 2:00 PM

It might have had something to do with shielding, although that would imply that the phone - as sold in other countries - will emit mildly risky levels of RF energy into the body.

More likely is the Hearing Aid Compatibility (HAC) requirement. The FCC requires that most phones offered by carriers meet certain HAC ratings. Some percentage has to meet a high rating like M4, while rest must at least be rated M3.

I've been told by phone engineers that part of making a phone meet HAC regulations is simply distancing the speaker from the speaker hole. There's no room to do that with an ultra-thin phone. There must be some tricks other companies use, but it's a challenge with really thin phones.

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